SOLUTION: (x-3) ^2 = 20 answer 3 +2 sqrt 5,3 - 2 sqrt 5 why is the answer 3 + 2 sqrt 5,3 -2 sqrt 5 need a full break down

Question 193935: (x-3) ^2 = 20

answer 3 +2 sqrt 5,3 - 2 sqrt 5

why is the answer 3 + 2 sqrt 5,3 -2 sqrt 5

need a full break down
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Take the square root of both sides.

or Break up the "plus/minus" to form two equations.

or Simplify the square root.

or Add to both sides.

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Answer:

So the solutions are or .
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